COIT20261 Network Routing and Switching Assignment 1
Verified
Added on 2023/05/28
|5
|1350
|107
AI Summary
This assessment task requires you to demonstrate your knowledge of basic routing concepts by completing a number of exercise questions. The questions contain numerical as well as descriptive questions covering the material up to Week 6.
Contribute Materials
Your contribution can guide someone’s learning journey. Share your
documents today.
COIT20261 Network Routing and Switching (Term 3, 2018) Assignment Item —Written Assessment-1 Due date:11:45pm AEST, Friday, Week 6ASSESSMENT Weighting:15%1 Objectives This assessment task requires you to demonstrate your knowledge of basic routing concepts by completing a number of exercise questions. The questionscontain numerical as well as descriptive questions covering the material up to Week 6. The questions are designed to help you to achieve the unit learning outcomes as listed in the unit profile. Instructions You must do this assignment on your own – it is not a group assignment. Type all your answers in the ‘Template for Your Answers’ Section of this document and upload only that template. You could do that by copying the Template section into a new Word document for uploading. Answers that are not typed into the “Template for Your Answers” section may not be marked, or may be returned to you for re-typing and re- submission – late penalties will apply. Where instructed, you must show the steps you took to arrive at your answers. Write your answersin your own wordsto avoid potential plagiarism and copyright violations. You must submit the Answer section as aWord file (.doc or .docx). Do not submit PDF’s or any other type of file without express permission from the Unit Coordinator. Plagiarism Procedures can be found in the CQUniversity Policies section of the Unit Profile. Assessment Requirements and Marking Criteria There are 3 main questions with some sub-questions and the requirements are stated for each one. You must answer all questions and sub-questions. Marks are indicated in the Answer Template. The questions will be marked on correctness, logic and clarity, and addressing all parts of the question. The Assignment Questions begin on the next page. USE THE PROVIDED TEMPLATE ON PAGE-4 FOR ALL YOUR ANSWERS.
Secure Best Marks with AI Grader
Need help grading? Try our AI Grader for instant feedback on your assignments.
COIT20261 Network Routing and Switching (Term 3, 2018) Assignment Item —Written Assessment-1 Question 1 – Address usage(3 marks) Consider the following classless address in a given block: 156.120.32.3/26 Calculate the following: a)the network address, b)the direct broadcast address, and c)the range of addresses available for hosts Show the steps you took to arrive at your answers. Question 2– Allocating subnets from a block(8 marks) A company has been granted a block of addresses whichincludesthe address128.32.16.8/22. Answer the following questions, showing your calculations. a)Calculate the network address of this block, and total addresses the block contains including special addresses this block can provide. (1 mark) b)Create the following4 subnetsfor this company by calculating the subnet address for each subnet. Answer this question by filling in the table in the Answer template. Your subnets must use contiguous address blocks, i.e., do not leave unallocated addresses in between two consecutive subnets. Use CIDR format for the mask. (6 marks) I.1 subnet with 128 addresses (1.5 mark) II.1 subnet with 64 addresses (1.5 mark) III.2 subnets with 32 addresses each (1.5*2=3 marks) c)After allocating the subnets, how many addresses are unallocated (leftover)? Show your calculations.(1 mark) Question 3 – Network Tools(Windows)(4 marks) This part of the assignment requires you to explore some common networking tools, and answer the given questions.netstatandtracertare included in Windows, while Wiresharkis free to download and install. Explore these tools, then answer the questions. a)A Wireshark scan has produced a packet capture, saved to a file named COIT20261_Assign1.pcapand available on the Unit website. Download the file and open it in Wireshark, then answer these questions about the scan: i.View Frame 98, and answer the following questions: What kind of message is the frame carrying (protocol name/type). What is the destination host’s domain name? (1 mark)
COIT20261 Network Routing and Switching (Term 3, 2018) Assignment Item —Written Assessment-1 ii.View Frame 644, and answer the following questions: Which transport layer protocol was used? Scan a few more frames down: what general activity was the user most likely engaged in? – give reasons (1 mark) b)A ‘NETSTAT –aon’ command has given the output as shown below. Focussing on line 2 and 8 (highlighted), determine and write down the name or type of the application that is running over these two connections. What are the major differences between these two TCP connections or applications? (1 mark) Active Connections ProtoLocal AddressForeign AddressStatePID 1TCP138.77.212.196:845740.100.145.146:443ESTABLISHED8044 2TCP138.77.212.196:8479172.217.25.37:443ESTABLISHED10708 3TCP138.77.212.196:856040.100.146.178:443ESTABLISHED8044 4TCP138.77.212.196:8573138.77.208.123:61158ESTABLISHED2464 5TCP138.77.212.196:8574138.77.208.123:61158ESTABLISHED2464 6TCP138.77.212.196:858854.70.116.101:443TIME_WAIT0 7TCP138.77.212.196:859823.101.222.246:443ESTABLISHED15988 8TCP138.77.212.196:8605138.77.0.41:80ESTABLISHED7460 c)Do a TRACERT on your computer towww.bom.gov.au.Paste the output of your tracert command to your assignment answer template and discuss the output in sufficientdetailstodemonstrateyourunderstandingoftheinformationbeing displayed by thetracertcommand. In your discussion, you must include specific information displayed on the output, e.g., host address, etc., that you have pasted in the assignment. (1 mark)
COIT20261 Network Routing and Switching (Term 3, 2018) Assignment Item —Written Assessment-1 TEMPLATE FOR YOUR ANSWERS Type your answers in this section in the spaces provided First Name:_________________________Last Name:____________________________ Student ID: __________________________ Question NumberMark allocated Mark earned Question 1: (3 marks)3 a) b) c) Network Address - 192.120.32.0 Direct broadcast address – 192.120.30.63 Address range - 192.120.32.1 - 192.120.32.62 1 mark each item, total 3 Question 2: (8 marks)8 a)The major network address is 128.32.16.0/22 and available addresses are 1022. 1 b)SubnetNo. addressesSubnet addressMask /n 1128128.32.16.0/24 264128.32.17.0/25 332128.32.17.128/26 432128.32.17.192/26 6 c)Total available addresses – 1022 and allocated addresses are 504. So, total unallocated addresses are 1022-504 = 518 1 Question 3: (4 marks)4 a) i) ii) This frame is carrying ping request by using the ICMP protocol. Ip address = 54.230.245.246 TCP is used. User wants to establish a connection with the destination address. 1 mark each item, total 2 for 3a. b)On line 2 SSL is used and on line 8 HTTP is used. SSL is secure socket layer which operate on transport layer where the HTTP is works on application layer. 1
Paraphrase This Document
Need a fresh take? Get an instant paraphrase of this document with our AI Paraphraser
COIT20261 Network Routing and Switching (Term 3, 2018) Assignment Item —Written Assessment-1 c) TRACERT command is used to determine the destination address route or path by utilizing the ICMP protocol. Here the destination address is www.bom.gov.au. First the ping request mygateway (ip address – 10.0.0.138). Then it goes to next address which is 58.96.2.228. in third packet is goes via 10.1.31.106. after that the fourth packet goes via 218.100.78.36. At last the packet goes to destination address 23.210.81.33. 1 Total marks awarded15 (max) Less late penalties Less plagiarism penalties Total marks earned Markers comments: